巴乌是我国西南地区少数民族的一种簧管乐器,它的音色甜美浑厚,地方风格浓郁,深受群众喜爱。遗憾的是,由于乐器本身尚存在一些不足之处(如音域窄,没有完整的十二平均律半音等),未能在民族乐队中推广应用。许多音乐工作者在这一乐器的改良、乐曲创作及演奏上作出了不少的有成效的尝试与努力。改良双管竖吹巴乌也就是针对巴乌本身存在的不足所进行的一种改革尝试。 1.改良双管竖吹巴乌构造见下图。改良双管竖吹巴乌的插座吹头由两个铜制的互不相通的吹管组成。它的作用是固定两根巴乌管子和吹口。牛角垫置于两个吹口管当中, Bawu is a kind of reed instrument of ethnic minorities in southwest China. Its sound is sweet and vigorous, its local style is rich and deeply loved by the masses. Unfortunately, due to some shortcomings of the instrument itself (such as narrow range, no complete equalizer, etc.), it has not been applied in the national band. Many musicians have made a lot of fruitful attempts and improvements in the improvement of this instrument, composition and performance of musical instruments. The improvement of double-pipe Buba is also aiming to reform Bava’s own deficiencies. 1. Improved double pipe vertical blow Ba Wu structure shown below. Improved double pipe vertical blowing Bawu outlet blowing head by the two bronze pipe blowing each other. Its role is to fix two bavarian pipe and mouthpiece. Horns pad placed in the two mouthpiece,